package exercise;

public class Test {
    public static void main(String[] args) {
        Student zs = new Student("张三", 18, "jsd2302", "001");
        Student ls = new Student("李四", 18);
        Student ww = new Student();
        zs.sayHi();
        ls.sayHi();
        ww.sayHi();

        Car tsl = new Car("特斯拉","粉色",100000.0);
        tsl.start();
        tsl.run();
        tsl.stop();

    }
}
